<?php
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 * @package thrift
 */

namespace Thrift\Type;

/**
 * Base class for constant Management
 */
abstract class TConstant
{
    /**
     * Don't instanciate this class
     */
    protected function __construct() {}

    /**
     * Get a constant value
     * @param  string $constant
     * @return mixed
     */
    public static function get($constant)
    {
        if (is_null(static::$$constant)) {
            static::$$constant = call_user_func(
                    sprintf('static::init_%s', $constant)
                );
        }

        return static::$$constant;
    }
}
